2BO3L-MB2710SBluetooth module

LG Electronics Inc. * the applicant must designate a contact located in the United States for purposes of acting as the applicant’s agent for service of process, regardless of whether the applicant is a domestic or foreign entity. An applicant located in the United States may designate itself as the agent for service of process. U.S. Agent Designation for Service of Process - Certification Attestation Letter November 12, 2025 Nemko North America, Inc. 303 River Road Ottawa K1V 1H2 Canada ATTN.: Reviewing Engineer FCC ID: 2BO3L-MB2710S Per section 2.911(d)(7) of the FCC rules, LG Electronics Inc.(“the applicant”) certifies that the equipment for which authorization is sought is designated to the following U.S. Designated agent* for service of process: Company Name: LG Electronics USA, Inc. Physical U.S. Company Address: 111 Sylvan Avenue North Building, Englewood Cliffs, NJ 07632 Agent name: Heejae Cho Agent Email Address: [email protected] FRN: 0023476120 The above contact person accepts the obligation for service of process. The applicant accepts to maintain an agent for no less than one year after the grantee has terminated all marketing and importation or the conclusion of any Commission-related proceeding involving the equipment. Applicant Signed: Designated Agent Signed: (Required, if different to Applicant): Signed: Signed: Printed name: Yongdeok Kwon Printed name: Heejae Cho Title: Senior Research Engineer Title: Director, Regulatory and Environmental Affairs Company Name: LG Electronics Inc. Company Name: LG Electornics USA, Inc. Date: November 10, 2025 Date: November 10, 2025

LG Electronics Inc. Covered Equipment Certification Attestation Letter 12/2/2025 Nemko North America, Inc. 303 River Road Ottawa K1V 1H2 Canada ATTN.: Reviewing Engineer FCC ID: 2BO3L-MB2710S LG Electronics Inc. (“the applicant”) certifies that the equipment for which authorization is sought is not “covered” equipment prohibited from receiving an equipment authorization pursuant to section 2.903 of the FCC rules. This includes certifying that the equipment for which authorization is sought does not include cybersecurity or anti-virus software produced or provided by Kaspersky Lab, Inc. or any of its successors and assignees, including equipment with integrated Kaspersky Lab, Inc. (or any of its successors and assignees) cybersecurity or anti-virus software pursuant to DA-24-886 and KDB 986446 D01 Covered Equipment Guidance section B(2a). Note: If the equipment for which the applicant seeks authorization is produced by any of the entities identified on the current Covered List, the applicant should include an explanation on why the equipment is not “covered” equipment. LG Electronics Inc. (“the applicant”) certifies that, as of the date of the filing of the application, the applicant is not identified on the Covered List as an entity producing “covered” equipment. Signed: Printed name: Yongdeok Kwon Title: Senior Research Engineer Company Name: LG Electronics Inc. Date: 12/2/2025

LG Electronics Inc. 11/25/2025 Nemko North America, Inc. 303 River Road Ottawa, Ontario, Canada K1V 1H2 AUTHORITY TO ACT AS AGENT - FCC On our behalf, I appoint Nemko Korea Co., Ltd (165-51, Yurim-ro, Cheoin-gu, Yongin-si, Gyeonggi-do, 17042, Korea), to act as our agent in the preparation of this application for equipment certification. I certify that submitted documents properly describe the device or system for which equipment certification is sought. I also certify that each unit manufactured, imported or marketed, as defined in FCC regulations will have affixed to iYt a label identical to that submitted for approval with this application. In signing this letter, Applicant certifies that neither the applicant nor any party to the application is not subject to a denial of Federal benefits, that include FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. § 862 because of a conviction for possession or distribution of a controlled substance. See 47 CFR 1.2002(b) for the definition of a "party" for these purposes. For instances where our authorized agent signs the application for certification on our behalf, I acknowledge that all responsibility for complying with the terms and conditions for certification, as specified by Nemko North America Inc., still resides still resides with us. Sincerely, Printed name: Yongdeok Kwon

LG Electronics Inc. November 25, 2025 Nemko North America, Inc. 303 River Road Ottawa, Ontario, Canada K1V 1H2 REQUEST FOR CONFIDENTIALITY - FCC FCC ID: 2BO3L-MB2710S Pursuant to Sections 0.457(d) and 0.459 of the Commission’s Rules and FCC Guidance document 726920, we hereby request permanent confidential treatment of exhibits identified as such in the table below and request they are permanently withheld from public review based on the documents containing trade secrets and proprietary information not customarily released to the public. The public disclosure of this information might be harmful to the applicant and provide unjustified benefits to its competitors. We also request short-term confidentiality on certain exhibits until the intended date of marketing as outlined below. We request the exhibits be withheld from public view for a period of 180 days. We attest marketing of the product will only commence after the period of short-term confidentiality expires, or if marketing is to commence before the requested number of days listed above, the grantee will inform Nemko to release the Short-Term Confidentiality information withheld on the FCC equipment authorization website. Exhibit Type of Confidentiality Requested Block Diagrams ☒ Permanent ☐ Short Term External Photos ------------------ ☒ Short Term Internal Photos ☐ Permanent* ☒ Short Term Operation Description ☒ Permanent ☐ Short Term Parts List & Placement/BOM ☒ Permanent ☐ Short Term Schematic Diagrams ☒ Permanent ☐ Short Term Test Setup Photos ------------------ ☒ Short Term User’s Manual ☐ Permanent* ☒ Short Term The asterisked items (*) require further information to be provided in this justification letter before permanent confidentiality will be extended to these exhibits. Please refer to FCC KDB 726920 D01 found at: https://apps.fcc.gov/oetcf/kdb/forms/FTSSearchResultPage.cfm?switch=P&id=41731 and review section II, 3) regarding specific information that must accompany these requests. Note: any documents held under the Short-Term confidentiality will automatically become public after the requested time if an appropriate extension request has not been received. Any exhibits (i.e., schematic diagrams) that may have already been requested to have “Permanent” confidentiality as shown above need not be repeated under Short-Term confidentiality request. Sincerely, Signed: Printed name: Yongdeok Kwon Title: Senior Research Engineer Company Name: LG Electronics Inc.

LG Electronics Inc. November 11, 2025 Federal Communications Commission Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 Modular Approval Request FCC ID: 2BO3L-MB2710S The following attestation addresses the requirements to support modular approval: Modular approval requirement Yes (provide brief statement) No * (a) The radio elements must have the radio frequency circuitry shielded. Physical components and tuning capacitor(s) may be located external to the shield, but must be on the module assembly The device is equipped with Metal shielding to cover RF section. Refer to the external photos (b) The module must have buffered modulation/data inputs to ensure that the device will comply with Part 15 requirements with any type of input signal All inputs to the modules are buffered through logic or microprocessor inputs. (c) The module must contain power supply regulation on the module Power supply regulation built into module. Refer to the circuit diagram. (d) The module must contain a permanently attached antenna, or contain a unique antenna connector, and be marketed and operated only with specific antenna(s), per Sections 15.203, 15.204(b), 15.204(c), 15.212(a), 2.929(b) Connector is unique. (e) The module must demonstrate compliance in a stand-alone configuration Refer to the test report and setup photo. (f) The module must be labelled with its permanently affixed FCC ID label, or use an electronic display (See KDB Publication 784748 about labelling requirements) Label is to be placed on front of the EUT, and other label is to be placed in the User Manual. Refer to the FCC ID label format. (g) The module must comply with all specific rules applicable to the transmitter. The grantee must provide comprehensive instructions to explain compliance requirements Refer to the User manual Modular approval requirement Yes (provide brief statement) No * (h) The module must comply with RF exposure requirements It complies with RF exposure requirement. * Please provide a detailed explanation if the answer is “No.” Sincerely, Signed: Printed name: Yongdeok Kwon Title: Senior Research Engineer

MODEL: MB2710S Page 1 of 1 LABELLING REQUIREMENTS Labelling Requirements The sample label shown shall be permanently affixed at a conspicuous location on the device and be readily visible to the user at the time of purchase. § 15.19 (a)(5) Labeling requirements: When the device is so small or for such use that it is impracticable to label it with the statement specified under paragraph (a) of this section in a font that is four-point or larger, and the device does not have a display that can show electronic labeling, then the information required by this paragraph shall be placed in the user manual and must also either be placed on the device packaging or on a removable label attached to the device. RSS-Gen Section 4. Labelling requirements: If the dimensions of the product are extremely small or it is not practical to place the label or marking on the product, and if electronic labelling cannot be implemented, the label shall be placed in a prominent location in the user manual supplied with the product, as agreed upon with ISED prior to the certification application. The user manual may be in an electronic format; if it is not supplied to the user, the user manual must be readily available. Top of Shied Can Silk screen of bottom

November 20, 2025 FCC Certification LG Electronics Inc. FCC ID : 2BO3L-MB2710S Page 1 of 2 Maximum Permissible Exposure RF Exposure Limit According to FCC 1.1310 : The criteria listed in the following table shall be used to evaluate the Environmental of human exposure to radio frequency (RF) radiation as specified in 1.1307(b) Limits for Maximum Permissible Exposure (MPE) Frequency Electric Field Magnetic Field Power Density Averaging Time Range(MHz) Strength(V/m) Strength(A/m) (mW/cm 2 ) (Minutes) (i) Limits For Occupational / Controlled Exposure 0.3 ~ 3.0 614 1.63 *(100) ≤6 3.0 ~ 30 1842/f 4.89/f *(900/f 2 ) <6 30 ~ 300 61.4 0.163 1.0 <6 300 ~ 1,500 f/300 <6 1,500 ~ 100,000 5 <6 (ii) Limits For General Population / Uncontrolled Exposure 0.3 ~ 1.34 614 1.63 *(100) <30 1.34 ~ 30 824/f 2.19/f *(180/f 2 ) <30 30 ~ 300 27.5 0.073 0.2 <30 300 ~ 1,500 f/15 <30 1,500 ~ 100,000 1.0 <30 f = frequency in MHz. * = Plane-wave equivalent power density. Friis formula Friis transmission formula : Pd = (Pout * G) / (4 * π * r2) r = √(Pout * G) / 4 * π * Pd)) Where Pd = Power density in ㎽ / ㎠ Pout = Output power to antenna in ㎽ G = Gain of antenna in linear scale π = 3.1416 r = Distance between observation point center of radiator in cm November 20, 2025 FCC Certification LG Electronics Inc. FCC ID : 2BO3L-MB2710S Page 2 of 2 Maximum Permissible Exposure Pd is the limit of MPE, 1 ㎽ / ㎠. If we know Maximum Gain of the antenna and the total power input to the antenna, through the calculation, we will know the Maximum distance r where the MPE limit is reached and Power density at prediction frequency. Test Result : -Bluetooth BDR/EDR Maximum Conducted output power (Tune-up):12.50(dBm) Maximum Conducted output power (Tune-up):17.78(mW) Antenna gain(typical):2.90(dBi) Maximum antenna gain:1.95(numeric) Prediction distance:20(cm) Prediction frequency:2402(MHz) MPE limit for uncontrolled exposure at prediction frequency:1(mW/cm^2) Power density at prediction frequency :0.006898(mW/cm^2) Test result:PASS -Bluetooth LE Maximum Conducted output power (Tune-up): 7.50 (dBm) Maximum Conducted output power (Tune-up): 5.62 (mW) Antenna gain(typical): 2.90 (dBi) Maximum antenna gain: 1.95 (numeric) Prediction distance: 20 (cm) Prediction frequency: 2402 (MHz) MPE limit for uncontrolled exposure at prediction frequency: 1 (mW/cm^2) Power density at prediction frequency : 0.002181 (mW/cm^2) Test result: PASS Conclusion : The test result shows that is compliance with the exposure limit in 47 CFR §1.1310. Note: There are no simultaneous transmission cases.

FCC ID : 2BO3L-MB2710S Test Report No.: REP124498-2 IC: 2703H-MB2710S TRF-FCC&IC-RF_Rev.0.1 Nemko Korea Co., Ltd. Page 1 of 41 Nemko Korea Co., Ltd. 165-51, Yurim-ro, Cheoin-gu, Yongin-si, Gyeonggi-do,17042, Republic of Korea TEL:+82 31 330-1700 FAX:+82 31 322 2332 FCC & IC EVALUATION REPORT FOR CERTIFICATION Project No. : NK-25-R-293 Dates of receipt : September 18, 2025 Applicant : LG Electronics Inc. Dates of Issue : November 21, 2025 222, LG-ro, Jinwi-myeon, Pyeongtaek-si, Gyeonggi- do, 17709, Republic of Korea Test Site : Nemko Korea Co., Ltd. Model: MB2710S Additional Model(s): - EUT Type: BLUETOOTH MODULE Classification: FCC Part 15 Digital Transmission System (DTS) Date of Test: September 23, 2025 ~ November 17, 2025 Applied Standard: FCC 47 CFR Part 15.247 RSS-Gen Issue 5, RSS-247 Issue 4 The device bearing the brand name and model specified above has been shown to comply with the applicable technical standards as indicated in the measurement report and was tested in accordance with the measurement procedures specified in ANSI C63.10-2020. The client should not use it to claim product endorsement by TAF or any government agencies. The test results in the report only apply to the tested sample. I attest to the accuracy of data and all measurements reported herein were performed by me or were made under my supervision and are correct to the best of my knowledge and belief. I assume full responsibility for the completeness of these measurements and vouch for the qualifications of all persons taking them. Tested By : Seojung Kim Reviewed By : Hoonpyo Lee Test Engineer Technical Manager FCC ID : 2BO3L-MB2710S IC : 2703H-MB2710S Applicant : LG Electronics Inc. Brand Name : FCC ID : 2BO3L-MB2710S Test Report No.: REP124498-2 IC: 2703H-MB2710S TRF-FCC&IC-RF_Rev.0.1 Nemko Korea Co., Ltd. Page 2 of 41 Revision History Rev. Issue Date Revisions Revised By 00 November 21, 2025 Initial issue Seojung Kim FCC ID : 2BO3L-MB2710S Test Report No.: REP124498-2 IC: 2703H-MB2710S TRF-FCC&IC-RF_Rev.0.1 Nemko Korea Co., Ltd. Page 3 of 41 TABLE OF CONTENTS 1. INTRODUCTION ............................................................................................................................... 4 1.1 Test facility ....................................................................................................................................................... 4 1.2 Accreditation and listing ................................................................................................................................... 4 2. EUT INFORMATION & TEST CONDITIONS .................................................................................... 5 2.1 EUT Information ............................................................................................................................................... 5 2.2 Operation During Test ...................................................................................................................................... 6 2.3 Support Equipment .......................................................................................................................................... 9 2.4 Setup Drawing .................................................................................................................................................. 9 3. ANTENNA REQUIREMENTS ......................................................................................................... 10 4. SUMMARY OF TEST RESULTS .................................................................................................... 11 5. TEST METHODOLOGY .................................................................................................................. 11 6. DESCRIPTION OF TESTS .............................................................................................................. 12 6.1 6 dB Bandwidth / Occupied Bandwidth .......................................................................................................... 12 6.2 Peak Output Power ........................................................................................................................................ 13 6.3 Power Spectral Density .................................................................................................................................. 14 6.4 Band Edge / Conducted Spurious Emissions ................................................................................................ 15 6.5 Radiated Emissions ....................................................................................................................................... 16 6.6 AC Line Conducted Emissions....................................................................................................................... 17 7. TEST DATA .................................................................................................................................... 18 7.1 6 dB Bandwidth / Occupied Bandwidth .......................................................................................................... 18 7.2 Peak Output Power ........................................................................................................................................ 21 7.3 Power Spectral Density .................................................................................................................................. 23 7.4 Band Edge / Conducted Spurious Emissions ................................................................................................ 26 7.5 Radiated Spurious Emissions ........................................................................................................................ 29 7.6 Radiated Band Edge ...................................................................................................................................... 34 7.7 Radiated Emissions_Below 1GHz .................................................................…

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MB2710S（JX312-02） Antenna Test Report MODEL NAMEMB2710S MCSLogic P/N No.MODELFREQUENCY 1MB2710SBLUETOOTH 2402-2480MHz Hardware version：V3.0 ANTENNA SPECIFICATION 1. MODEL: MB2710S 2. APPLICATION: This specification is provided for Bluetooth PCB Pattern ANTENNA. 3 ANTENNA used condition ■Portable ■Fixing ■Movement ■Out-door ■In-door ■Etc( ) 4. ANTENNA Drawing Attached : #4.Antenna Drawing paper 5. TRP/TIS Attached : #3.TRP/ TIS 6.Electrical specification and performance Satisfied next data with real used or similar environment conditions. No.ELECTRICAL DATASPECIFICATIONSREMARK 1FREQUENCY RANGE2400 ~ 2490 MHz 2IMPEDANCE50 ΩNOMINAL 3V. S. W. Rless than 3Attached:#1.VSWR 4PEAK GAIN (MAX)2.9 Attached:#2.Radiation efficiency 5RADIATION PATTERNOMNI – DIRECTIONAL 6POLARIZATIONLINEAR 7.Hardware specification and mechanical No.MECHANICALSPECIFICATIONSREMARK 1Antenna TypePIFA Type 2Matching Value10pF(Series) 3Matching ValueNC(Shunt)GND Feeding 4Dimension [D X H X W]15.6 X5.8 X 1.0T 8.IMPEDANCE MATCHING #1. VSWR #2. Radiation efficiency 1 Frenquency(MHz)Gain(dBi)Efficiency(dB)Efficiency(%) 24001.85-3.51 44.55 24101.79-3.18 48.08 24201.65-3.02 49.89 24301.57-2.87 51.69 24401.54-2.74 53.16 24501.66-2.6 54.9 24601.91-2.45 56.92 24702.2-2.26 59.42 24802.53-2.05 62.3 24902.9-1.85 65.31 2 Frenquency(MHz)Gain(dBi)Efficiency(dB)Efficiency(%) 24001.82-3.59 43.72 24101.96-3.26 47.17 24201.8-3.13 48.69 24301.69-2.99 50.26 24401.63-2.89 51.46 24501.68-2.76 52.98 24601.88-2.59 55.04 24702.13-2.4 57.5 24802.44-2.19 60.34 24902.78-1.97 63.49 3 Frenquency(MHz)Gain(dBi)Efficiency(dB)Efficiency(%) 24001.66-3.72 42.45 24101.59-3.31 46.62 24201.45-3.14 48.54 24301.35-2.96 50.6 24401.32-2.84 52 24501.48-2.68 53.95 24601.72-2.52 55.94 24701.99-2.35 58.15 24802.36-2.15 61.02 24902.7-1.96 63.61 #3. TRP/ TIS 1 TRP Frenquency(MHz)Power(dBm) 2 TRP Frenquency(MHz)Power(dBm) 3 TRP Frenquency(MHz)Power(dBm) 2402 8.65 2402 8.68 2402 8.99 2441 9.36 2441 9.49 2441 9.7 2480 9.63 2480 9.72 2480 9.74 TIS Frenquency(MHz)Sensitivity(dBm) TIS Frenquency(MHz)Sensitivity(dBm) TIS Frenquency(MHz)Sensitivity(dBm) 2402 -92.51 2402 -92.09 2402 -92.68 2441 -92.55 2441 -92.66 2441 -93.04 2480 -92.28 2480 -92.68 2480 -92.53 #4. Antenna Drawing Paper